We all know the basics: pack light, bring a portable charger, and never check a bag if you can help it. But are you making the most of your phone before you even leave the house? From planning your itinerary to beating jet lag and staying connected without paying a fortune in roaming fees, these 10 apps completely changed the way I travel. A few of them I wish I'd known about years ago.

I recently got back from a six-week backpacking trip around Europe. Based on the route I decided to take, I went with a combination of buses